.area-chart {
  position: relative;
  z-index: 0;

  &__cursor {
    top: 6px;
    left: 50%;
    width: 1px;
    height: calc(100% - 31px);
    transition: opacity 0.1s ease-in-out;
    opacity: 0;
    position: absolute;
    z-index: -1;
    background: var(--wds-color-black-400, var(--wsr-color-D40, #868aa5));
    will-change: opacity, left;
  }
}